Paper I — 2024 March (Supplementary) (2019 Scheme) — Q13

Paper I

2024 March (Supplementary) (2019 Scheme) · 100 marks · 180 min

Question

RBC indices

Q131 marks★✓

Answer

RBC (red cell) indices are calculated values derived from the complete blood count that characterize red cell size and haemoglobin content, aiding in the classification of anaemia:

• MCV (Mean Corpuscular Volume): Average red cell volume (normal ~80–100 fL) — classifies anaemia as microcytic, normocytic, or macrocytic
• MCH (Mean Corpuscular Haemoglobin): Average haemoglobin content per red cell (normal ~27–32 pg)
• MCHC (Mean Corpuscular Haemoglobin Concentration): Average haemoglobin concentration per unit volume of red cells (normal ~32–36 g/dL) — classifies anaemia as hypochromic or normochromic

Related Concepts

1. 1Basic Haematology Laboratory Techniques

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